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Finding the Fourth Proportional to 90,841.92, 136,029.60 and 55,675.04

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Solution

The fourth proportional to 90,841.92, 136,029.60 and 55,675.04 is: 83,369.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,841.92 : 136,029.60 = 55,675.04 : x
  2. Step 2: Convert to fraction form
    90,841.92/136,029.60 = 55,675.04/x
  3. Step 3: Cross multiply
    90,841.92x = 136,029.60 × 55,675.04
  4. Step 4: Simplify right side
    90,841.92x = 7,573,453,421.18
  5. Step 5: Solve for x
    x = 7,573,453,421.18/90,841.92
  6. Step 6: Final answer
    x = 83,369.59

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